body,html{
    width: 100%;
    height: 100%;
    background-image: url('../imgs/bg2.jpg');
    background-size: cover;
}
.container{
    width: 350px;
    padding-top: 50px;
    h2{
        color: aliceblue;
        text-align: center;
        margin-bottom: 25px;
    }
    .form-inline{
        margin-bottom: 15px;
        #code{
            width: 220px;
            margin-bottom: 0;
        }
    }
    input{
        margin-bottom: 15px;
    }
    #sex{
        margin-bottom: 15px;
    }
}